# std::layout_right

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< cpp‎ | container‎ | mdspan

Defined in header `<mdspan>` |  |
struct layout_right; |  | (since C++23)

`layout_right` is a LayoutMappingPolicy which provides a layout mapping where the rightmost extent has stride 1, and strides increase right-to-left as the product of extents.

`layout_right` is a TrivialType. | (until C++26)
`layout_right` is TriviallyCopyable, and std::is_trivially_default_constructible_v<layout_right> is true. | (since C++26)

It is the default layout mapping policy used by std::mdspan if no user-specified layout is provided.

### Nested class templates

mapping | a layout mapping of layout_right (public member class template)

### See also

layout_right_padded (C++26) | row-major layout mapping policy with padding stride that can be greater than or equal to the rightmost extent (class template)
layout_left (C++23) | column-major multidimensional array layout mapping policy; leftmost extent has stride `1` (class)
layout_stride (C++23) | a layout mapping policy with user-defined strides (class)

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